adding waterway access where it's missing

adding waterway=access_points with backcountry=yes to beginning and end of water accessible portages

addding waterway=access_points with backcountry=yes to beginning/end of remote portages

adding backcountry=yes to non-motorized vehicle accessible waterway=access_points

adding backcountry=yes to non-motorized vehicle accessible waterway=access_points

adding backcountry=yes to non-motorized vehicle accessible waterway=access_points

adding backcountry=yes to non-motorized vehicle accessible waterway=access_points

adding backcountry=yes to non-motorized vehicle accessible waterway=access_points

adding backcountry=yes to non-motorized vehicle accessible waterway=access_points

adding backcountry=yes to non-motorized vehicle accessible waterway=access_points

adding backcountry=yes to non-motorized vehicle accessible waterway=access_points

adding backcountry=yes to remote waterway=access_points

modifying swan lake canoe trail to be more visible with consistent canoe=yes + waterway=link and making sure portages have portage tag.

adding trail

refining jewell lake

as lots of things are called potter marsh i'll remove this

adding ice_skates access

adding water access point to reflections lake

updating name and ice access

cleaning up a duplicate section of waterway